Global Patent Index - EP 2825614 A4

EP 2825614 A4 20150527 - TREATMENT FLUIDS COMPRISING A HYDROXYPYRIDINECARBOXYLIC ACID AND METHODS FOR USE THEREOF

Title (en)

TREATMENT FLUIDS COMPRISING A HYDROXYPYRIDINECARBOXYLIC ACID AND METHODS FOR USE THEREOF

Title (de)

BEHANDLUNGSFLÜSSIGKEITEN MIT EINER HYDROXYPYRIDINCARBONSÄURE UND VERFAHREN ZUR VERWENDUNG DAVON

Title (fr)

FLUIDES DE TRAITEMENT COMPRENANT UN ACIDE HYDROXYPYRIDINECARBOXYLIQUE ET LEURS PROCÉDÉS D'UTILISATION

Publication

EP 2825614 A4 20150527 (EN)

Application

EP 14768596 A 20140312

Priority

  • US 201313837090 A 20130315
  • US 2014024026 W 20140312

Abstract (en)

[origin: WO2014150701A1] Treatment fluids can mitigate the occurrence or effects of precipitation in a subterranean formation through complexation of a metal ion therein. Methods for treating a subterranean formation can comprise : providing a treatment fluid comprising a hydroxypyridinecarboxylic acid, a salt thereof, or a tautomer thereof; introducing the treatment fluid into a subterranean formation; and complexing a metal ion in the subterranean formation with the hydroxypyridinecarboxylic acid.

IPC 8 full level

C09K 8/72 (2006.01); C09K 8/74 (2006.01)

CPC (source: EP)

C09K 8/72 (2013.01); C09K 8/74 (2013.01)

Citation (search report)

  • No further relevant documents disclosed
  • See references of WO 2014150701A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2014150701 A1 20140925; EP 2825614 A1 20150121; EP 2825614 A4 20150527; EP 2825614 B1 20180131

DOCDB simple family (application)

US 2014024026 W 20140312; EP 14768596 A 20140312